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Posted to issues@spark.apache.org by "Wenchen Fan (Jira)" <ji...@apache.org> on 2022/03/08 02:54:00 UTC

[jira] [Resolved] (SPARK-37895) Error while joining two tables with non-english field names

     [ https://issues.apache.org/jira/browse/SPARK-37895?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Wenchen Fan resolved SPARK-37895.
---------------------------------
    Fix Version/s: 3.3.0
       Resolution: Fixed

Issue resolved by pull request 35726
[https://github.com/apache/spark/pull/35726]

> Error while joining two tables with non-english field names
> -----------------------------------------------------------
>
>                 Key: SPARK-37895
>                 URL: https://issues.apache.org/jira/browse/SPARK-37895
>             Project: Spark
>          Issue Type: Bug
>          Components: SQL
>    Affects Versions: 3.2.0, 3.3.0
>            Reporter: Marina Krasilnikova
>            Assignee: Pablo Langa Blanco
>            Priority: Minor
>             Fix For: 3.3.0
>
>
> While trying to join two tables with non-english field names in postgresql with query like
> "select view1.`Имя1` , view1.`Имя2`, view2.`Имя3` from view1 left join  view2 on view1.`Имя2`=view2.`Имя4`"
> we get an error which says that there is no field "`Имя4`" (field name is surrounded by backticks).
> It appears that to get the data from the second table it constructs query like
> SELECT "Имя3","Имя4" FROM "public"."tab2"  WHERE ("`Имя4`" IS NOT NULL) 
> and these backticks are redundant in WHERE clause.



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